Portable ultrasonic generator unit



FIG. 1 is a front perspective view showing my new design for a portableultrasonic generator unit, the front panels being in closed position;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a front perspective view thereof, showing the front panels inopened position.

The ornamental design for a portable ultrasonic generator unit, as shownand described.